HD64F36034 datasheet(373/592 Pages) RENESAS

Part #	HD64F36034

Description	Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

PDF	592 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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373 / 592 page

Section 15 Controller Area Network for Tiny (TinyCAN)

Rev. 4.00 Mar. 15, 2006 Page 341 of 556

REJ09B0026-0400

Yes

Note: Processing in a shaded box requires setting by software.

TinyCAN is in normal mode

TinyCAN is in halt mode

TinyCAN is during

transmission, reception,

or in bus off state?

TinyCAN is in normal mode

Set HLTRQ in MCR to 1

(halt mode)

Read RHI in TCIRR0 = 1

Read HALT in GSR = 1

Interrupt occurred

(RHI in TCIRR0 = 1)

Method 1: Halt mode

Method 2: Other than halt mode

Change ID, MBCR, and LAFM

of Mailbox

Clear HLTRQ in MCR to 0

Yes

TinyCAN is in normal mode

Read corresponding

RXPR (RFPR) = 0

Read corresponding

RXPR (RFPR)

TinyCAN is in normal mode

and ready for action

Set corresponding MBn in

MBIMR to 1

Change ID and MBCR

of Mailbox

Write 1 to corresponding MBn

in RXPR (MBn in RFPR) and

delete receive message

Clear corresponding MBn in

MBIMR to 0

Write 1 to MBn in RXPR

(MBn in RFPR)

Figure 15.17 Flowchart for Changing ID, MBCR, and LAFM of Receive Mailbox

HD64F36034 Datasheet(PDF) 373 Page - Renesas Technology Corp

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